Respuesta:
2
Explicación paso a paso:
3x²-2x+1=3x²-5x+7
3x = 6 => x = 2
Comprobación:
3(2)² - 2(2) +1 = 3(2)² - 5(2)+7
12-4+1 = 12-10+7
9 = 9
RPTA: x = 2
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Respuesta:
2
Explicación paso a paso:
3x²-2x+1=3x²-5x+7
3x = 6 => x = 2
Comprobación:
3(2)² - 2(2) +1 = 3(2)² - 5(2)+7
12-4+1 = 12-10+7
9 = 9
RPTA: x = 2